To use a custom element for page structure you need to make it a block-level element like a. This means they will display inline along with the flow of text. New custom elements will behave like a by default. Since gtm.js loads asynchronously it means. They must use a corresponding closing tag (self-closing custom elements are not allowed.) In a nutshell, tag sequencing enables you to specify tags to fire immediately before or after a primary tag is fired. They must start with a lowercase ASCII character (a-z) but can contain numbers, UTF-8 characters, and even emojis. They must not contain any uppercase ASCII characters. Custom elements must follow these 4 naming rules Introducing Custom ElementsĬustom elements are special HTML tags that you can create and name yourself, but there are a few rules. With divs, our page structure becomes a bland sea of meaninglessness. So when you use divs to structure a page layout you are segmenting the page in an unobtrusive way. and tags are semantically empty, this means they don't add any meaning when used within a document.įrom a semantics point of view, it's like and tags are not even there. There are some HTML tags that are 'meaningless'. We're 'marking up' additional relationships between portions of the content.īut adding tags does not always add meaning. These are all examples of how adding tags to a HTML document adds meaning to the text. When we group elements together within an tag, we are saying that this information is only tangentially related to the main content of the page.When we enclose text in a tag, we are saying that this text is a summary of what is to follow.The strong tag adds meaning to our existing text. When we bold text by adding a tag, we are saying that the bold text is more important than its surroundings.In this article, I'm going to introduce custom elements, I'll show you how easy they are to use, and why they're a superior choice to the common div.īut before we begin, let's recap why we use tags in HTML, to begin with. Most web designers frequently use tags as the structural elements in website layouts, but there is a better way.
Using divs everywhere is fine, because if they have appropriate ID's and classes, they are still semantic, but with the HTML5 tags, you can recognize page. It is actually a lot easier making sites, as they are easier to understand if you use the tags correctly. Why custom elements are better than divs Using HTML5 tags gives you increased control using CSS due to their semantic nature.Replace Divs With Custom Elements For Superior Markup
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